Cheap flights from Oslo to Herron Island from CA $750

View CA $750 flight on Sun, Dec. 28, 2025Opens in a new window

Popular airlines from Oslo to Herron Island

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Cheap flights from Oslo (OSL) to Herron Island (SEA)

Prices were available within the past 7 days and start at CA $750 for one-way flights and CA $669 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sat, Sep. 13 - Mon, Sep. 29
OSL
Oslo
SEA
Seattle
CA $669 Roundtrip, found 2 days ago
CA $669
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Sep. 13 from Oslo to Seattle, returning Mon, Sep. 29, priced at CA $669 found 2 days ago
Lufthansa
Sat, Sep. 13 - Mon, Sep. 29
OSL
Oslo
SEA
Seattle
CA $673 Roundtrip, found 2 days ago
CA $673
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sat, Sep. 13 from Oslo to Seattle, returning Mon, Sep. 29, priced at CA $673 found 2 days ago
Brussels Airlines
Sat, Sep. 13 - Mon, Sep. 29
OSL
Oslo
SEA
Seattle
CA $704 Roundtrip, found 2 days ago
CA $704
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Sat, Sep. 13 from Oslo to Seattle, returning Mon, Sep. 29, priced at CA $704 found 2 days ago
Icelandair
Sat, Sep. 13 - Mon, Sep. 29
OSL
Oslo
SEA
Seattle
CA $764 Roundtrip, found 2 days ago
CA $764
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sat, Sep. 13 from Oslo to Seattle, returning Mon, Sep. 29, priced at CA $764 found 2 days ago
Air Canada
Sat, Sep. 13 - Mon, Sep. 29
OSL
Oslo
SEA
Seattle
CA $800 Roundtrip, found 2 days ago
CA $800
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sat, Sep. 13 from Oslo to Seattle, returning Mon, Sep. 29, priced at CA $800 found 2 days ago
Scandinavian Airlines
Sat, Sep. 13 - Mon, Sep. 29
OSL
Oslo
SEA
Seattle
CA $867 Roundtrip, found 2 days ago
CA $867
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, Sep. 13 from Oslo to Seattle, returning Mon, Sep. 29, priced at CA $867 found 2 days ago

Find the cheapest month to fly from Oslo (OSL) to Seattle (SEA)

May is typically the cheapest month to fly

From CA $533 - CA $1,106 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.